800G technology: Does double capacity mean twice the performance?

Optical networks are close to practical limits and can no longer depend on spectral efficiency to increase capacity. In order to meet surging network demand, the most cost-efficient way to scale capacity is to improve optical performance with a sustainable cost per bit. 800G and even higher data rate technologies promise to address these market needs. For more details, please visit: https://www.fujitsu.com/us/products/network/